WorldWind Kotlin/earth.worldwind.util/SunPosition

SunPosition

object SunPosition

Provides utilities for determining the Sun geographic and celestial location.

Types

CelestialLocation

class CelestialLocation(val declination: Angle, val rightAscension: Angle)

Functions

celestialToGeographic

fun celestialToGeographic(celestialLocation: SunPosition.CelestialLocation, instant: Instant): Location

Converts from celestial coordinates (declination and right ascension) to geographic coordinates (latitude, longitude) for a given julian date

computeJulianDate

fun computeJulianDate(instant: Instant): Double

Computes the julian date from a javascript date object

getAsCelestialLocation

fun getAsCelestialLocation(instant: Instant): SunPosition.CelestialLocation

Computes the celestial location of the sun for a given julianDate

getAsGeographicLocation

fun getAsGeographicLocation(instant: Instant): Location

Computes the geographic location of the sun for a given date